RATEFPV RATE S30 Pro 3-Inch Freestyle FPV Drone, ELRS, 4S, DJI O4 Wide-Angle Option
RATEFPV RATE S30 Pro 3-Inch Freestyle FPV Drone, ELRS, 4S, DJI O4 Wide-Angle Option
RATEFPV
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Overview
The RATEFPV RATE S30 Pro is a 3-inch freestyle FPV drone with an ELRS receiver and 4S power setup. The O4 Wide-angle option provides a 148° field of view, while the frame is also designed to support DJI O3, Walksnail, and analog video systems. The O4 version has a stated weight of 166g.
For product configuration and technical support, contact rcdrone.top.
Key Features
- 3-inch freestyle FPV drone platform with a lightweight carbon frame.
- RATEFPV ELRS 2.4G Nano receiver with a compact layout and easy-solder design.
- RATEFPV F4V4 40A flight stack with clock synchronization, large solder pads, a 32-bit ESC, and a 40A high-performance MOSFET.
- RATE 1505 4300KV motors with 7075 split outer rotors, N52 arc-shaped neodymium magnets, and stepped shafts.
- 148° wide-angle O4 lens option for a broad view and reduced propeller obstruction after stabilization.
- CNC-machined aluminum camera housing with precision lens mounting holes.
- Bluetooth wireless tuning for adjusting Betaflight parameters from a phone without a USB cable or laptop.
- GPS-ready layout supporting optional GPS installation and functions such as Rescue Mode and location tracking.
- Built-in buzzer to help locate the drone after a landing.
- HQProp T333 three-blade propeller design in PC polycarbonate for durability and balanced thrust.
- Separate arm and base-plate design with 3.6mm arms for individual arm replacement and improved crash resistance.
Specifications
| Product type | 3-inch freestyle FPV drone |
|---|---|
| Power system | 4S |
| Receiver | RATEFPV ELRS 2.4G Nano receiver |
| Video system compatibility | DJI O4, DJI O3, Walksnail, and analog |
| Camera field of view | 148° |
| Flight stack | RATEFPV F4V4 40A stack |
| ESC | 32-bit, 40A |
| Motor | 1505 4300KV |
| Propeller | HQProp T333 |
| Wheelbase | 139mm |
| Dimensions | 128 x 38 x 42mm (L x W x H) |
| Weight | 166g with O4 version |
| Maximum speed | 150km/h |
| Lens width compatibility | 14/19/20mm |
| VTX mounting holes | 20/25mm, less than 34.5mm |
Configuration Notes
The O4 version was updated to the O4 Wide with CNC case kit version from 2026-07-02. The 148° lens and CNC aluminum camera housing apply to the O4 Wide configuration. GPS, VTX, and receiver selections may vary by configuration; the product title specifies the ELRS receiver and 4S O4 Wide-angle option.
For DJI O4 and O4 Pro batches made after February 2026, the upgraded internal IMU gyro is highly sensitive to FPV drone vibration. Air-unit RockSteady may cause heavy video jitter. Disable air-unit stabilization before recording and use flight-controller gyro data with Gyroflow for post-stabilization.
Details
The RATEFPV RATE S30 Pro combines a compact 3-inch freestyle frame with an ELRS receiver, 4S power setup, and configurable video system.
The O4 version weighs 166g, while built-in Bluetooth enables wireless Betaflight parameter adjustments without a USB cable or laptop.
A CNC-machined aluminum camera housing provides precise lens mounting, and the O4 Wide option delivers a 148-degree field of view.
The platform uses four 1505 4300KV motors, an F4V4 flight stack, and an S30 Pro frame, with GPS, VTX, and receiver options varying by configuration.
